/* classes: h_files */ #ifndef SCM__SCM_H #define SCM__SCM_H /* Copyright (C) 1995, 1996, 2000, 2001, 2002, 2006, 2008, 2009, 2010, * 2011, 2013 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA */ /********************************************************************** This file is Guile's central private header. When included by other files, this file should preceed any include other than __scm.h. See __scm.h for details regarding the purpose of and differences between _scm.h and __scm.h. **********************************************************************/ #if defined(__ia64) && !defined(__ia64__) # define __ia64__ #endif #if HAVE_CONFIG_H # include #endif /* The size of `scm_t_bits'. */ #define SIZEOF_SCM_T_BITS SIZEOF_VOID_P /* Undefine HAVE_STRUCT_TIMESPEC, because the libguile C code doesn't need it anymore, and because on MinGW: - the definition of struct timespec is provided (if at all) by pthread.h - pthread.h will _not_ define struct timespec if HAVE_STRUCT_TIMESPEC is 1, because then it thinks that it doesn't need to. The libguile C code doesn't need HAVE_STRUCT_TIMESPEC anymore, because the value of HAVE_STRUCT_TIMESPEC has already been incorporated in how scm_t_timespec is defined (in scmconfig.h), and the rest of the libguile C code now just uses scm_t_timespec. */ #ifdef HAVE_STRUCT_TIMESPEC #undef HAVE_STRUCT_TIMESPEC #endif #include #include #include #include "libguile/__scm.h" /* Include headers for those files central to the implementation. The rest should be explicitly #included in the C files themselves. */ #include "libguile/error.h" /* Everyone signals errors. */ #include "libguile/print.h" /* Everyone needs to print. */ #include "libguile/pairs.h" /* Everyone conses. */ #include "libguile/list.h" /* Everyone makes lists. */ #include "libguile/gc.h" /* Everyone allocates. */ #include "libguile/gsubr.h" /* Everyone defines global functions. */ #include "libguile/procs.h" /* Same. */ #include "libguile/numbers.h" /* Everyone deals with fixnums. */ #include "libguile/symbols.h" /* For length, chars, values, miscellany. */ #include "libguile/boolean.h" /* Everyone wonders about the truth. */ #include "libguile/threads.h" /* You are not alone. */ #include "libguile/snarf.h" /* Everyone snarfs. */ #include "libguile/foreign.h" /* Snarfing needs the foreign data structures. */ #include "libguile/programs.h" /* ... and program.h. */ #include "libguile/variable.h" #include "libguile/modules.h" #include "libguile/inline.h" #include "libguile/strings.h" /* ASYNC_TICK after finding EINTR in order to handle pending signals, if any. See comment in scm_syserror. */ #ifndef SCM_SYSCALL #ifdef vms # ifndef __GNUC__ # include # define SCM_SYSCALL(line) \ do \ { \ errno = 0; \ line; \ if (EVMSERR == errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3)) \ SCM_ASYNC_TICK; \ else \ break; \ } \ while (1) # endif /* ndef __GNUC__ */ #endif /* def vms */ #endif /* ndef SCM_SYSCALL */ #ifndef SCM_SYSCALL # ifdef EINTR # if (EINTR > 0) # define SCM_SYSCALL(line) \ do \ { \ errno = 0; \ line; \ if (errno == EINTR) \ { \ SCM_ASYNC_TICK; \ errno = EINTR; \ } \ } \ while (errno == EINTR) # endif /* (EINTR > 0) */ # endif /* def EINTR */ #endif /* ndef SCM_SYSCALL */ #ifndef SCM_SYSCALL # define SCM_SYSCALL(line) line; #endif /* ndef SCM_SYSCALL */ #ifndef min #define min(A, B) ((A) <= (B) ? (A) : (B)) #endif #ifndef max #define max(A, B) ((A) >= (B) ? (A) : (B)) #endif /* Return the first integer greater than or equal to LEN such that LEN % ALIGN == 0. Return LEN if ALIGN is zero. */ #define ROUND_UP(len, align) \ ((align) ? (((len) - 1UL) | ((align) - 1UL)) + 1UL : (len)) #if defined GUILE_USE_64_CALLS && GUILE_USE_64_CALLS && defined(HAVE_STAT64) #define CHOOSE_LARGEFILE(foo,foo64) foo64 #else #define CHOOSE_LARGEFILE(foo,foo64) foo #endif /* These names are a bit long, but they make it clear what they represent. */ #if SCM_HAVE_STRUCT_DIRENT64 == 1 # define dirent_or_dirent64 CHOOSE_LARGEFILE(dirent,dirent64) #else # define dirent_or_dirent64 dirent #endif #define fstat_or_fstat64 CHOOSE_LARGEFILE(fstat,fstat64) #define ftruncate_or_ftruncate64 CHOOSE_LARGEFILE(ftruncate,ftruncate64) #define lseek_or_lseek64 CHOOSE_LARGEFILE(lseek,lseek64) #define lstat_or_lstat64 CHOOSE_LARGEFILE(lstat,lstat64) #define off_t_or_off64_t CHOOSE_LARGEFILE(off_t,off64_t) #define open_or_open64 CHOOSE_LARGEFILE(open,open64) #define readdir_or_readdir64 CHOOSE_LARGEFILE(readdir,readdir64) #if SCM_HAVE_READDIR64_R == 1 # define readdir_r_or_readdir64_r CHOOSE_LARGEFILE(readdir_r,readdir64_r) #else # define readdir_r_or_readdir64_r readdir_r #endif #define stat_or_stat64 CHOOSE_LARGEFILE(stat,stat64) #define truncate_or_truncate64 CHOOSE_LARGEFILE(truncate,truncate64) #define scm_from_off_t_or_off64_t CHOOSE_LARGEFILE(scm_from_off_t,scm_from_int64) #define scm_from_ino_t_or_ino64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64) #define scm_from_blkcnt_t_or_blkcnt64_t CHOOSE_LARGEFILE(scm_from_ulong,scm_from_uint64) #define scm_to_off_t_or_off64_t CHOOSE_LARGEFILE(scm_to_off_t,scm_to_int64) #if SIZEOF_OFF_T == 4 # define scm_to_off_t scm_to_int32 # define scm_from_off_t scm_from_int32 #elif SIZEOF_OFF_T == 8 # define scm_to_off_t scm_to_int64 # define scm_from_off_t scm_from_int64 #else # error sizeof(off_t) is not 4 or 8. #endif #define scm_to_off64_t scm_to_int64 #define scm_from_off64_t scm_from_int64 #if defined (vms) /* VMS: Implement SCM_I_SETJMP in terms of setjump. */ extern int setjump(scm_i_jmp_buf env); extern int longjump(scm_i_jmp_buf env, int ret); #define SCM_I_SETJMP setjump #define SCM_I_LONGJMP longjump #elif defined (_CRAY1) /* Cray: Implement SCM_I_SETJMP in terms of setjump. */ extern int setjump(scm_i_jmp_buf env); extern int longjump(scm_i_jmp_buf env, int ret); #define SCM_I_SETJMP setjump #define SCM_I_LONGJMP longjump #elif defined (__ia64__) /* IA64: Implement SCM_I_SETJMP in terms of getcontext. */ # define SCM_I_SETJMP(JB) \ ( (JB).fresh = 1, \ getcontext (&((JB).ctx)), \ ((JB).fresh ? ((JB).fresh = 0, 0) : 1) ) # define SCM_I_LONGJMP(JB,VAL) scm_ia64_longjmp (&(JB), VAL) void scm_ia64_longjmp (scm_i_jmp_buf *, int); #else /* All other systems just use setjmp and longjmp. */ #define SCM_I_SETJMP setjmp #define SCM_I_LONGJMP longjmp #endif #define SCM_ASYNC_TICK \ do \ { \ if (SCM_UNLIKELY (SCM_I_CURRENT_THREAD->pending_asyncs)) \ scm_async_tick (); \ } \ while (0) #define SCM_ASYNC_TICK_WITH_CODE(thr, stmt) \ do \ { \ if (SCM_UNLIKELY (thr->pending_asyncs)) \ { \ stmt; \ scm_async_tick (); \ } \ } \ while (0) #if (defined __GNUC__) # define SCM_NOINLINE __attribute__ ((__noinline__)) #else # define SCM_NOINLINE /* noinline */ #endif /* The endianness marker in objcode. */ #ifdef WORDS_BIGENDIAN # define SCM_OBJCODE_ENDIANNESS "BE" #else # define SCM_OBJCODE_ENDIANNESS "LE" #endif #define _SCM_CPP_STRINGIFY(x) # x #define SCM_CPP_STRINGIFY(x) _SCM_CPP_STRINGIFY (x) /* The word size marker in objcode. */ #define SCM_OBJCODE_WORD_SIZE SCM_CPP_STRINGIFY (SIZEOF_VOID_P) /* Major and minor versions must be single characters. */ #define SCM_OBJCODE_MAJOR_VERSION 3 #define SCM_OBJCODE_MINOR_VERSION 3 #define SCM_OBJCODE_MAJOR_VERSION_STRING \ SCM_CPP_STRINGIFY(SCM_OBJCODE_MAJOR_VERSION) #define SCM_OBJCODE_MINOR_VERSION_STRING \ SCM_CPP_STRINGIFY(SCM_OBJCODE_MINOR_VERSION) #define SCM_OBJCODE_VERSION_STRING \ SCM_OBJCODE_MAJOR_VERSION_STRING "." SCM_OBJCODE_MINOR_VERSION_STRING #define SCM_OBJCODE_MACHINE_VERSION_STRING \ SCM_OBJCODE_ENDIANNESS "-" SCM_OBJCODE_WORD_SIZE "-" SCM_OBJCODE_VERSION_STRING #endif /* SCM__SCM_H */ /* Local Variables: c-file-style: "gnu" End: */